一日
N5いちにち
１日
[ichinichi]
Meanings
1.NounAdverb
one day
2.AdverbNoun
all day (long); the whole day; from morning till night
3.Noun
first day of the month
Other Readings
「一日」 has other readings with different meanings.
Examples
一日中ずっと雨だった。
It rained all day long.
一日中働きましたか。
Did you work all day?
一日に三回薬を飲んでいます。
I take medicine three times a day.